Shape memory chamber for tire pressure control

Abstract

A peristaltic pump chamber with shape memory for pressure adjustment in tires is provided and which is part of the tire or is adjacent to the tire wall or is a part of a vehicle wheel, in particular for tires with an inner tube, e.g. bicycle tires.

1 . A chamber with a shape memory for the pressure adjustment of tires, that is connected at one end to a medium delivery point and at the other end to a source of a medium, comprises fibers that are installed across at least a part, of the wall of the chamber (K) and/or of its carrier at a distance of between 0.001 and 200 mm. 
     
     
         2 . The chamber in accordance with  claim 1 , wherein fibers connect the walls of the chamber (K) and/or the wall of the chamber (K) to the carrier of the chamber (K) and/or the fibers are placed on the camel of the chamber (K) and/or on the inner tube (D). 
     
     
         3 . The chamber in accordance with  claim 1 , wherein the medium delivery point and/or the source of the medium is the interior of the tire (P) and/or the external environment of the to tire (P) and/or the reservoir and or the inner tube (D) and/or the interior of the valve and/or of the regulator. 
     
     
         4 . The chamber in accordance with  claim 1 , wherein the medium is either air, nitrogen or another gas, or a gas mixture. 
     
     
         5 . The chamber in accordance with  claim 1 , wherein the fibers connect the opposite walls of the chamber (K). 
     
     
         6 . The chamber in accordance with  claim 1 , wherein the fibers interconnect the wall of the inner diameter of the chamber (K) with the wall of the outer diameter of the chamber (K) 
     
     
         7 . The chamber in accordance with  claim 1 , wherein the fibers are arranged in parallel to each other. 
     
     
         8 . The chamber in accordance with  claim 1 , wherein the fibers create patterns and/or polygonal patterns, and/or they intersect. 
     
     
         9 . The chamber in accordance with  claim 1 , wherein the fibers are skewed. 
     
     
         10 . The chamber in accordance with  claim 1 , wherein the fibers are wavy and/or elastic. 
     
     
         11 . The chamber in accordance with  claim 1 , wherein the carrier of the chamber is the tire and/or the inner tube (D) and/or the ancillary structure. 
     
     
         12 . The chamber in accordance with  claim 11 , wherein the chamber is connected to the carrier by the fibers. 
     
     
         13 . The chamber in accordance with  claim 1 , wherein the fibers constitute a feature of the bridge (W) of the chamber (K) and/or of the tire (P) and/or of the inner tube (D) and/or of the ancillary structure, which prevents the collapse of the chamber (K), with the exception of the effect that the tire's deformation load has on the chamber (K). 
     
     
         14 . The chamber in accordance with  claim 1 , wherein under the actual chamber and/or as part of the chamber, there is a belt to prevent closing the chamber from below by means of the pressure of the inner tube itself. 
     
     
         15 . The chamber in accordance with  claim 14 , wherein the belt contains fibers. 
     
     
         16 . The chamber in accordance with  claim 1 , wherein the chamber is provided with a bridge that is anchored to the sides of the chamber and thereby the chamber is protected against dilation. 
     
     
         17 . The chamber in accordance with  claim 1 , wherein it comprises an inner tube, which is made of an elastic material and is at least partially provided with a pattern of fibers for arresting crack propagation. 
     
     
         18 . The chamber in accordance with  claim 1 , wherein the chamber (K) and/or its carrier is at least partially covered with a grid for arresting the propagation of cracks. 
     
     
         19 . The chamber in accordance with  claim 1 , wherein bridging and/or the belt and/or the pattern for arresting the propagation of cracks and/or the grid is made of fibers. 
     
     
         20 . The chamber in accordance with  claim 1 , wherein the fibers are textile and/or metal and/or plastic and/or natural fibers and/or synthetic fibers and/or nanofibers. 
     
     
         21 . The chamber and/or the carrier of the chamber in accordance with  claim 1 , is/are characterised by the feature that it is/they are connected to fibers that are wavy and/or elastic enough to enable the dilation of the chamber (K) and/or of its carrier. 
     
     
         22 . The chamber in accordance with  claim 1 , wherein it is located, at least partially, in the section that is separated from the tire material by a layer of another material, and/or that is located in a separate removable unit. 
     
     
         23 . The chamber in accordance with  claim 22 , wherein the layer of other materials comprises fibers, a fabric and/or a film and/or another form of separator. 
     
     
         24 . The chamber in accordance with  claim 1 , is intended as a wheel either for the vehicle and/or another machine and/or equipment, including stationary equipment. 
     
     
         25 . An inner tube fitted with fibers. 
     
     
         26 . The inner tube in accordance with  claim 25 , wherein the fibers are parallel and/or skewed and/or wavy and/or elastic and/or form a pattern and/or a polygon. 
     
     
         27 . The inner tube in accordance with  claim 25 , wherein it is connected to a chamber in accordance with  claim 1 . 
     
     
         28 . The inner tube in accordance with  claim 25 , wherein it is produced using non-elastic and/or inelastic and/or plastic material. 
     
     
         29 . The inner tube in accordance with  claim 27 , wherein it is connected to the chamber (K) and/or to the reinflating device and/or to other devices in accordance with any of the previous claims. 
     
     
         30 . The inner tube in accordance with  claim 25 , wherein the inner tube is equipped with a valve, which, in addition to hermetically sealing the interior of the inner tube from its surroundings, also seals the space between the inner tube and the cavity formed by the tire and the rim from its external environment 
     
     
         31 . The inner tube in accordance with  claim 30 , wherein the valve, the rim, the tire and/or other parts of the wheel are provided with an outlet to enable venting the spaces between the inner tube and the tire and the rim. 
     
     
         32 . The inner tube in accordance with  claim 30 , wherein it is connected to the chamber in accordance with  claim 1 . 
     
     
         33 . A chamber with shape memory for pressure adjustment in tires, which is a part of the tire or is adjacent to the tire wall, or is part of a vehicle wheel, and is connected at one end to the medium delivery point and at the other end to the source of the medium, wherein the chamber (K) is located in an area that is mechanically separated from the tire material. 
     
     
         34 . The chamber in accordance with  claim 1 , wherein the area with the chamber (K) is separated from the tire material by partitioning to prevent any propagation of cracks. 
     
     
         35 . The chamber in accordance with  claim 1 , wherein the part where the chamber (K) is located is an independent component that is physically separated from the tire material. 
     
     
         36 . The chamber in accordance with  claim 1 , wherein the part with the chamber (K) is located in a wall of the to tire (P), next to the bead. 
     
     
         37 . The chamber in accordance with  claim 1 , wherein it is located in the ancillary structure that is inserted between the wall of the tire (P) and at least one part of the assembly is formed by the rim (R), a hubcap, or a support connected to the rim (R) or to the hubcap. 
     
     
         38 . The chamber in accordance with  claim 1 , wherein the ancillary structure to the chamber (K) is firmly attached to the rim (R) or to the hubcap or to the wall of the tire (P). 
     
     
         39 . The chamber in accordance with  claim 1 , wherein the shape of the ancillary structure together with the chamber (K) is adapted on one side for its tight connection to the wall of the tire (P), while from the other side it is dimensionally adapted for its tight connection to the rim (R). 
     
     
         40 . A device for adjusting the pressure in tires that comprises a chamber with shape memory that is either a part of the tire or is adjacent to the tire wall or is a part of a vehicle wheel, wherein the chamber is equipped with at least one regulator and at least one valve, while the chamber (K) has two ends and both these ends can be closed by at least one regulator and the valve is positioned between them. 
     
     
         41 . The device, in accordance with  claim 40 , wherein the chamber has at least two closable inlets at its opposite ends to the medium delivery point and between these at least one inlet to the source of the medium. 
     
     
         42 . The device, in accordance with  claim 40 , wherein the chamber (K) has, at its opposite ends, at least two closable inlets to the source of the medium and between these, at least one inlet to the medium delivery point. 
     
     
         43 . The device, in accordance with  claim 41 , wherein the inlet to the medium delivery point is provided with at least one valve. 
     
     
         44 . The device, in accordance with  claim 41 , wherein the inlet to the source of the medium is equipped with at least one valve. 
     
     
         45 . The device, in accordance with  claim 41 , wherein the valve comprises at least one element and/or contains at least one element selected from the group: a one-way valve, a two-way valve, a multi-way valve, the closure element, the electronically-controlled element, the electronically-controlled valve, the gate valve, an element with referential pressure, a spring, a diaphragm. 
     
     
         46 . The device, in accordance with  claim 41 , wherein the regulator comprises at least one element and/or contains at least one element selected from the group: a one-way valve, a two-way valve, a multi-way valve, the closure element, an electronically-controlled element, an electronically-controlled valve, a gate valve, an element with referential pressure, a spring, a diaphragm. 
     
     
         47 . The device, in accordance with  claim 41 , wherein at least one regulator comprising at least one valve is equipped with the requisite elements for bidirectional operation. 
     
     
         48 . The chamber in accordance with  claim 1 , wherein it is placed in the wall of the tire (P), by its bead. 
     
     
         49 . The chamber in accordance with  claim 1 , wherein it is placed in the ancillary structure that was inserted between the wall of the tire (P) and at least one part of the assembly comprising the rim (R), a hubcap or a support connected to the rim (R) or to the hubcap. 
     
     
         50 . The chamber in accordance with  claim 1 , wherein it is located on the inner tube of the tire (P). 
     
     
         51 . The chamber in accordance with  claim 1 , wherein of the input and/or the output of the chamber there is a part with a minimum defined volume. 
     
     
         52 . The chamber in accordance with  claim 1 , wherein the chamber is provided with a three-way valve (V), with inlets at the source for the pump (K) and the delivery point of the pump (K), whereby one inlet (VI) is provided with a valve (JV), another inlet (V 2 ) is connected to the pump (K) and the last inlet (V 3 ) is connected to the closure element (R). 
     
     
         53 . The chamber in accordance with  claim 1 , wherein the interior wall of the chamber is fitted with the ring (OK), whereas the distance of its outer side from the rotation axis of the tire (P) is equal to 1 to 1.1 times the distance of the lower part of the chamber from the rotation axis of the tire (P). 
     
     
         54 . The chamber in accordance with  claim 1 , wherein the chamber designed in the shape of a curved hollow channel, at least one peripheral wall which is at least partially formed by a section of the pair of surfaces that lie in the longitudinal direction of the chamber and that are mutually positioned at an angle of a=0 to 120°, whereas should the angle be a>0°, it would be placed at the connecting edges of the surfaces, located on the far side of the centre of the cross sectional area of the chamber. 
     
     
         55 . The chamber in accordance with  claim 1 , wherein the length of the chamber is greater than the length of the circumference of the tire (P) that remains undeformed by its contact with the road. 
     
     
         56 . The chamber in accordance with  claim 1 , wherein the length of the chamber is smaller than the length of the tire circumference that remains undeformed by its contact with the road. 
     
     
         57 . The chamber in accordance with  claim 1 , wherein the ends of the chamber are adjacent to each other or are closer to each other than the length of 10% of the tire circumference. 
     
     
         58 . A tire and/or an inner tube and/or a rim and/or an ancillary structure adjacent to the tire and/or a wheel and/or a chamber and/or the reinflating device is equipped with at least one device in accordance with  claim 1 .